Cutting blade



FIG. 1 is a perspective view of a cutting blade, according to the present design;

FIG. 2 is a back view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an enlarged perspective view of box 8 shown in FIG. 1 ;

FIG. 9 is an enlarged rear view of box 9 shown in FIG. 2 ; and,

FIG. 10 is an enlarged front view of box 10 shown in FIG. 3 .

The broken lines are for the purpose of showing environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for the cutting blade, as shown and described. 